Computer display screen or portion thereof with animated graphical user interface



FIG. 1 is a front view of a computer display screen or portion thereof with animated graphical user interface showing a first image of the claimed design; and,

FIG. 2 is a front view showing a second image thereof.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-2, respectively. The process or period in which one image transitions to another image forms no part of the claimed design.

The gray shading illustrates contrast which is part of the claimed design.

The longer broken-line showing of a portion of a computer illustrates an electronic device, the intermediate-length broken-lines illustrate a display screen of the computer, and the remaining still shorter broken-lines illustrate portions of the animated graphical user interface, none of which form part of the claimed design. 

CLAIM The ornamental design for a computer display screen or portion thereof with animated graphical user interface, as shown and described. 